September 10, 2008

Dynegy Announces Cancellation of Presentation at UBS Conference

Dynegy Inc. (NYSE:DYN) today announced that the company will not present at the UBS "Best of Americas" Conference in London scheduled for Friday, September 12, 2008. The decision to cancel the presentation resulted from concerns related to Hurricane Ike, which is threatening the Texas coast. Dynegy is headquartered in Houston, Texas.

Through its subsidiaries, Dynegy Inc. produces and sells electric energy, capacity and ancillary services in key U.S. markets. The power generation portfolio consists of more than 18,000 megawatts of baseload, intermediate and peaking power plants fueled by a mix of natural gas, coal and fuel oil. DYNC